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The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. AD 801–873 ), who formally developed the method (the ciphers breakable by this technique go ...
There are irregularities, however. फ़ f and ज़ z, which are found in both Persian and English loans, are transcribed with English Braille (and international) ⠋ and ⠵, as shown in the chart in the previous section, while the internal allophonic developments of ड़ ṛ and ढ़ ṛh are respectively an independent letter ⠻ in braille and a derivation from that letter rather ...
Unlike the Latin alphabet, the script has no concept of letter case, meaning the script is a unicameral alphabet. [15] It is written from left to right, has a strong preference for symmetrical, rounded shapes within squared outlines, and is recognisable by a horizontal line, known as a शिरोरेखा śirorekhā , that runs along the ...
Bharati braille alphabets use a 6-dot cell with values based largely on English Braille. Letters are assigned as consistently as possible across the various regional scripts of India as they are transliterated in the Latin script, so that, for example, Hindi, Urdu, Bengali, and English are rendered largely the same in braille.
A typical distribution of letters in English language text. Weak ciphers do not sufficiently mask the distribution, and this might be exploited by a cryptanalyst to read the message. In cryptanalysis, frequency analysis (also known as counting letters) is the study of the frequency of letters or groups of letters in a ciphertext.
Hindustani does not distinguish between [v] and [w], specifically Hindi. These are distinct phonemes in English, but conditional allophones of the phoneme /ʋ/ in Hindustani (written व in Hindi or و in Urdu), meaning that contextual rules determine when it is pronounced as [v] and when it is pronounced as [w].
Hindustani (standardized Hindi and standardized Urdu) has been written in several different scripts. Most Hindi texts are written in the Devanagari script, which is derived from the Brāhmī script of Ancient India. Most Urdu texts are written in the Urdu alphabet, which comes from the Persian alphabet. Hindustani has been written in both scripts.
The original IPA alphabet was based on the Romic alphabet, an English spelling reform created by Henry Sweet that in turn was based on the Palaeotype alphabet of Alexander John Ellis, but to make it usable for other languages the values of the symbols were allowed to vary from language to language.